bounce|bounced|bounces|bouncing

萨拉脸上挂着灿烂的笑容，蹦蹦跳跳地进了房间。

Sarah ___bounced into the room with a big smile on her face.

孩子们精力充沛地沿着小路蹦蹦跳跳。

The children ___bounce along the path, full of energy.

股价在本周早些时候大幅下跌后反弹了。

Stock prices ___bounced back after a steep plunge earlier this week.

在糟糕的开局之后，球队反弹并赢得了比赛。

After a terrible start the team ___bounced back and won the game.

铁路货运量在二十世纪八十年代和九十年代下降了40%，但到新世纪初反弹了。

Rail freight volumes fell by 40% in the 1980s and 1990s but then ___bounced back by the start of the new century.

球从墙上弹开，落在了花园里。

The ball ___bounces off the wall and lands in the garden.

篮球在训练时在球场上快速弹跳。

The basketball is ___bouncing rapidly on the court during practice.